Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Freight Barge
LTD 4680 B
U.S. Official No. 1305976
Not yet on Master's MateType
Freight Barge
Flag
USALength
61 m
Beam
10.7 m
Draft
4.3 m
First reported
Jun 2026
AIS reports
1
LTD 4680 B is a freight barge sailing under the American flag, 61 metres in length. She's built with a 10.7 m beam and a 4.3 m draft. Look for U.S. official number 1305976. Join LTD 4680 B to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on LTD 4680 B, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever LTD 4680 B roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put LTD 4680 B on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim LTD 4680 B and switch it all on
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About LTD 4680 B
What kind of vessel is LTD 4680 B?
LTD 4680 B is a Freight Barge flagged to United States of America.
What is LTD 4680 B's U.S. Official No.?
LTD 4680 B's U.S. Official No. is 1305976.
How big is LTD 4680 B?
LTD 4680 B is about 61 m long, 10.7 m on the beam, drawing 4.3 m.
Is LTD 4680 B on the Master's Mate Safety Initiative Network?
Not yet. If LTD 4680 B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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